The good news: I found out that every subfolder includes photos from a certain month only. When I connect my iPhone 4s (running latest iOS 8) via USB to my WIN7 PC, I also see those random DCIM subfolders, which are changing their names (that's really weird!) every time reconnecting the iPhone to the PC. I hope in some way that helps, if nothing else to agree you're not the only baffled here! :-) As someone else said above, the iPhone uses some kind of light-SQL database to store and dictate all sorts of things, and I think the folders are generated 'virtually' from this, so there must be something weird going on in that DB on my 5c (and prob your device, from what you've described) that probably only Apple can answer. I have no idea why the 5c is behaving differently to summarise all are creating 8 digit named folders for each month of pictures, but only the 5c is doing this randomly every time I unplug and plug it back in to the USB port. My 4s, Mini 2 and 5c are all running iOS 8.1.2. I concur with you that countless folders are being created even if you only take one picture a month for 12 months, you'll see 12 folders for each of those calendar months (I believe).
On my iPhone 5c, every time I plug in my phone, the folders are labelled differently, so this is truly random it would seem. they both use the same folder names compared side by side, so not random). On my iPhone 4s and iPad Mini 2, these are still running on a predefined title (i.e. Then, either iOS 8.1 or 8.1.1 (I forget) changed things, so that pictures were contained in an individual folder for each month. At one point I have 3500 in one of the folders. First of all, they seemed to be allowing predefined (by iOS) folders to get endlessly bigger than just 1000 pics. Each one of these 'folders' was named with an 8 alphanumerical character name, and would contain up to 1000 images, before moving on to the next one.
Fun things for iphone 4s windows#
The folders were always oddly named, but it wasn't random - from looking at my various iOS devices in the past (of which I currently have three), all of them seemed to be working on some kind of predefined sequence in terms of the folder names served up (in my case) under Win Explorer in Windows 8.1. I too have been rather bemused, trying to make sense of the folder / directory naming of recent months.
For instance, I can use Paint.NET (Windows) to "Acquire" photos from my iPad using the Picture Transfer Protocol (PTP) - using this method hides the underlying directory structure. However, if using another application or "protocol" then you probably won't. If the iPad is mounted as a "USB mass storage device" then you should see this directory structure in Windows Explorer. Whereas my iPad seems to create a folder for each 30-day period. My Sony digital camera creates a single 101MSDCF subdirectory by default, and I can manually create more if I wish, which it names 102MSDCF, 103MSDCF, etc. These directories contain files with names such as "ABCD1234.JPG" that consist of four alphanumeric characters (often "DSC_", "DSC0", "DSCF", "IMG_"/"MOV_", or "P000"), followed by a number.
The filesystem in a digital camera contains a DCIM (Digital Camera Images) directory, which can contain multiple subdirectories with names such as "123ABCDE" that consist of a unique directory number (in the range 100…999) and five alphanumeric characters, which may be freely chosen and often refer to a camera maker. These "randomly named folders" are consistent with the Design rule for Camera File system (DCF) that Apple and all modern digital cameras use.įrom the Wikipedia article on DCF: (emphasis my own)
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